fluctuation
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C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

fluctuation
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
Le marché boursier connaît des fluctuations fréquentes.
C1 noun, verb /ˈfɜːrloʊ/

furlough

congé temporaire
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
De nombreux travailleurs ont été mis en congé pendant la crise.
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

farfelu
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
Son explication pour être en retard était un peu farfelue.
C1 noun /ˈfren.zi/

Frenzy

frénésie
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
L'annonce de la vente a créé une frénésie de shopping au centre commercial.
C1 adjective /ˈflʌstərd/

flustered

troublé
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
Elle semblait troublée après avoir reçu tant de questions.
C1 noun ˈfɜːr.vɚ

fervor

passion ou enthousiasme
Meaning
Strong passion or enthusiasm for something.
Example
He spoke with great fervor about his vision for the company.
Il a parlé avec beaucoup de ferveur de sa vision pour l'entreprise.
C1 noun /fɑːrs/

farce

farce
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
La réunion est devenue une vraie farce avec tout le monde qui se disputait.
C1 noun/verb /fliːs/

fleece

la laine de mouton
Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
Le fermier a soigneusement tondu la laine de la brebis.
C1 noun ˈfɔː.saɪt

foresight

prévision
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
Sa prévision a aidé l'entreprise à éviter des pertes financières.
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

tête symbolique
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
Le roi était simplement un chef symbolique sans pouvoir réel.
C1 noun /ˈfɔːrdʒəri/

forgery

falsification
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
La banque a détecté une falsification dans la signature sur le chèque.
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

fertilisation
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
La fertilisation organique améliore la santé du sol.
C1 verb /ˈfrɒlɪk/

frolic

jouer joyeusement
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
Les enfants ont joué joyeusement dans le jardin toute l'après-midi.
C1 adjective fæsˈtɪd.i.əs

fastidious

méticuleux
Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
Elle est méticuleuse en ce qui concerne le maintien de la propreté.
C1 noun /ˈfɔːrˌfɑːðər/

forefather

ancêtre
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
Nos ancêtres ont lutté pour l'indépendance.
C1 noun /ˈfɔː.nə/

fauna

la vie animale d'une région particulière
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
La faune de la savane africaine comprend des lions et des éléphants.
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

improbable ou peu probable
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
Son explication pour son retard semblait invraisemblable.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

poissonnier
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
J'ai acheté du saumon frais chez le poissonnier local.
C1 adjective /ˈfaɪ.naɪt/

Finite

limité; ayant des limites
Meaning
limited; having bounds or limits; not infinite
Example
Earth has finite natural resources.
La Terre dispose de ressources naturelles limitées.
C1 noun /ˈfʊtˌnoʊt/

foot-note

note de bas de page
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
L'auteur a inclus une note de bas de page pour expliquer le contexte historique.
C1 noun /frɪndʒ/

fringe

bordure décorative / marge
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
Le festival avait une marge de petites performances indépendantes.
C1 noun /ˈfɔːls.hʊd/

Falsehood

fausseté; mensonge
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
Le politicien a été pris en train de répandre des faussetés à propos de son adversaire.
C1 verb /ˈfɜːrmɛnt/

ferment

subir un processus chimique où les sucres sont transformés en alcool ou en acide; inciter ou provoquer un changement
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
Les raisins sont laissés à fermenter pendant plusieurs semaines.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

fugitif
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
La police a lancé une chasse à l'homme pour capturer le fugitif qui s'était échappé de la prison.
C1 verb /fɔːrˈɡoʊ/

forgo

renoncer
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
Elle a décidé de renoncer au dessert pour maintenir son régime.
C1 verb /flɔːnt/

flaunt

fanfaronner
Meaning
to show off something proudly, often to attract attention
Example
She likes to flaunt her new jewelry at parties.
Elle aime fanfaronner ses nouveaux bijoux lors des soirées.
C1 adjective /fəˈnætɪk/

Fanatic

fanatique
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
Il est un fanatique supporter de son équipe de football.
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

fragilité
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
La fragilité de la cornée augmente avec le frottement.
C1 noun ˈfæl.ə.si

fallacy

fallacie, erreur, raisonnement incorrect
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
L'idée que le succès vient facilement est une fallacie.
C1 noun /fəˌsɪlɪˈteɪʃən/

facilitation

facilitation
Meaning
The action of facilitating or making an action or process easier or helping bring about an outcome.
Example
Her facilitation made the meeting run smoothly.
Sa facilitation a permis à la réunion de se dérouler sans heurts.
C1 verb, noun /ˈflʌstər/

fluster

embrouiller
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
La question inattendue l'a embrouillé.
C1 verb /ˈfɛdərət/

federate

fédérer
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Plusieurs États se sont fédérés pour créer une union plus forte.
C1 noun, verb /fɔːrd/

ford

gué
Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
Les voyageurs ont décidé de traverser la rivière par un gué à l'aube.
C1 adverb /ˈfeɪ.təl.i/

Fatally

fatalement
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
L'accident a blessé deux passagers de manière fatale.
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

flore et faune
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Les îles Galápagos ont une flore et faune uniques.
C1 noun /fɪˈnɛs/

finesse

subtilité, habileté, raffinement
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
L'artiste a peint avec une grande finesse.
C1 adjective /frɔːt/

fraught

chargé
Meaning
Filled with or likely to result in something undesirable.
Example
The negotiations were fraught with tension and uncertainty.
Les négociations étaient chargées de tension et d'incertitude.
C1 noun /ˈfɒdər/

fodder

fourrage
Meaning
food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand
Example
The farmer stored enough fodder for the cattle to last through winter.
Le fermier a stocké suffisamment de fourrage pour que le bétail ait de quoi se nourrir pendant l'hiver.
C1 noun flɛər

flair

talent naturel
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
Elle a un flair pour le design, créant toujours un travail visuellement impressionnant.
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

fermentation, changement chimique par levures ou bactéries
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
La fermentation des raisins produit du vin.
C1 verb /fɔːrˈɡoʊ/

forego

renoncer
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
Elle a décidé de renoncer au dessert pour maintenir son régime.
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

fortifier
Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
Ils ont fortifié les murs de la ville pour se protéger contre l'invasion.
C1 noun, verb /ˈfrænʧaɪz/

franchise

franchise
Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
Il a ouvert une nouvelle franchise de restauration rapide dans la ville.
C1 adjective /ˈfɜːrtɪv/

furtive

furtif
Meaning
Attempting to avoid notice or attention, typically because of guilt or a belief that discovery would lead to trouble.
Example
He cast a furtive glance at the door before leaving.
Il lança un regard furtif vers la porte avant de partir.
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

fortitude
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
Elle a affronté les adversités avec une grande force de caractère.
C1 verb /ˈfæbrɪkeɪt/

fabricate

fabriquer
Meaning
to invent or concoct something, often with the intent to deceive; or to construct or manufacture
Example
The witness fabricated his testimony to protect himself.
Le témoin a fabriqué son témoignage pour se protéger.
C1 adverb /ˈfɜː.vənt.li/

Fervently

avec ferveur; ardemment;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
Elle espérait ardemment que ses rêves se réaliseraient.
C1 adjective /fəˈnætɪkəl/

fanatical

fanatique
Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
Elle a un intérêt fanatique pour la collection de timbres anciens.
C1 noun /ˈfɔːreɪ/

foray

incursion / première tentative
Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
L'entreprise a fait sa première incursion sur le marché international.
C1 adjective ˈfæʃ.ɪst

fascist

fasciste
Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
Le gouvernement fasciste sape la liberté.
C1 noun /fɔːn/

Fawn

faon
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
La mère cerf protège son faon des prédateurs.
C1 noun fluˈɪd.ɪ.ti

fluidity

fluidité
Meaning
The ability of a substance to flow easily; smooth and graceful movement or style.
Example
The fluidity of the dancer's movements was mesmerizing.
La fluidité des mouvements de la danseuse était envoûtante.
C1 adjective /ˈfruːt.ləs/

Fruitless

inutile; vain; futile;
Meaning
unsuccessful; futile; pointless;
Example
After hours of searching, their efforts proved fruitless.
Après des heures de recherche, leurs efforts se sont avérés inutiles.
C1 noun /ˈfen.jʊ.griːk/

Fenugreek

fenugrec
Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
Les graines de fenugrec ont un goût légèrement amer et sont couramment utilisées dans la cuisine indienne.
C1 noun /fəˈsɑːd/

facade

façade
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
La façade en verre du bâtiment reflétait le coucher du soleil.
C1 noun /ˈfɔːrˌrʌnər/

forerunner

précurseur
Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
Les frères Wright étaient les précurseurs de l'aviation moderne.
C1 adjective /ˈfiːlaɪn/

feline

lié aux chats
Meaning
relating to or characteristic of cats
Example
Her movements were graceful and almost feline in their elegance.
Ses mouvements étaient gracieux et presque félins dans leur élégance.
C1 noun /fɪˈnɑːleɪ/

finale

final
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
Le concert s'est terminé par un final spectaculaire.
C1 adjective /flæmˈbɔɪənt/

flamboyant

flamboyant, coloré ou confiant
Meaning
showy, strikingly bold or colorful; confident and lively
Example
His flamboyant style drew everyone's attention at the party.
Son style flamboyant a attiré l'attention de tout le monde à la fête.
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

formidable
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
Le boxeur était un adversaire formidable sur le ring.
C1 noun /fɪˈnænʃɪər/

financier

financier
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
Le financier a conseillé l'entreprise sur ses investissements.
C1 adjective /ˈfaɪə.ri/

Fiery

enflammé; passionné; irritable
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
Elle a un tempérament enflammé qui s'emporte rapidement.
C1 verb /ˈfɪdʒɪt/

fidget

se tortiller, être agité
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
L'enfant a commencé à bouger pendant la longue conférence.
C1 adjective /fərˈlɔːrn/

forlorn

désespéré, triste
Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
Le chiot abandonné avait l'air si triste sous la pluie.
C1 verb /flɪntʃ/

flinch

reculer
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
Il n'a pas bronché lorsque le docteur lui a donné l'injection.
C1 adjective ˈfjuː.taɪl

futile

futile
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
Ses tentatives de changer la situation étaient futiles.
C1 noun /fɔːrˈmæl.ə.ti/

Formality

formalités
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
La signature du contrat n'était qu'une formalité; l'accord était déjà conclu.
C1 adjective /ˈfɪs.kəl/

fiscal

fiscal
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
Le gouvernement a introduit de nouvelles politiques fiscales pour contrôler l'inflation.
C1 noun /frɪˈvɒləti/

frivolity

frivolité
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
Le professeur a découragé la frivolité pendant l'examen.
C1 noun /fæd/

fad

mode passagère, tendance
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
Le nouveau régime est devenu une mode passagère chez les adolescents.
C1 noun /ˈflæt.ər.i/

Flattery

flatterie
Meaning
excessive and insincere praise, given especially to further one's own interests
Example
His constant flattery made everyone suspicious of his true motives.
Sa flatterie constante a poussé tout le monde à douter de ses véritables intentions.
C1 noun /ˈfɔːrˌbɛərz/

forebears

ancêtres
Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
Nous devons honorer les traditions de nos ancêtres.
C1 adjective /ˈfrɪdʒɪd/

Frigid

glacial; froid intense
Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
Le temps glacial rendait difficile de sortir dehors.
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

fantaisiste, irréaliste
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
L'histoire était trop fantaisiste pour être vraie.
C1 adjective /ˈfiːzəbl/

feasible

réalisable
Meaning
possible to do easily or conveniently; practical and workable
Example
It is feasible to complete the project within two months.
Il est réalisable de terminer le projet en deux mois.
C1 verb/noun ˈfæð.əm

fathom

comprendre
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
Il est difficile de comprendre les profondeurs de l'océan.
C1 noun /ˌfɪɡjʊˈriːn/

figurine

figurine décorative
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
Elle a acheté une figurine en porcelaine d'une ballerine dansante.
C1 noun /ˈfɪʃ.ər/

fissure

fissure
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
Le tremblement de terre a provoqué une fissure profonde dans la route.
C1 noun /fəˈrɒs.ə.ti/

ferocity

férocité, violence, intensité
Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
La férocité de la tempête était dévastatrice.
C1 adjective /ˈflɪmzi/

flimsy

fragile
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
La chaise était trop fragile pour supporter son poids.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifaille
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Les ingénieurs ont installé un mécanisme antifaille dans la centrale nucléaire.
C1 noun /ˈfɛtɪʃ/

fetish

dévotion excessive ou irrationnelle
Meaning
an excessive or irrational devotion to something
Example
He has a fetish for collecting rare stamps.
Il a un fétiche pour collectionner des timbres rares.
C1 adjective /ˈfɪk.əl/

Fickle

changeant; instable; capricieux;
Meaning
changeable; inconstant; liable to sudden unpredictable change
Example
His fickle nature made it hard to trust his promises.
Sa nature changeante a rendu difficile la confiance dans ses promesses.
C1 noun /ˈfʌŋɡəs/

fungus

champignon
Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
Un étrange champignon poussait sur l'arbre ancien.
C1 adjective /ˈfɛrəl/

feral

sauvage
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
Le chat sauvage errait dans les rues la nuit.
C1 adjective /ˈfɜːr.vənt/

fervent

fervent, passionné
Meaning
having or showing intense passion or enthusiasm
Example
She gave a fervent speech about climate change.
Elle a prononcé un discours passionné sur le changement climatique.
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

fragmentation
Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
La fragmentation de l'habitat menace de nombreuses espèces.
C1 adjective /ˈfrɪvələs/

frivolous

frivole
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Elle a rapidement rejeté la plainte frivole.
C1 noun ˌfiː.zəˈbɪl.ə.ti

feasibility

faisabilité
Meaning
The state or degree of being easily or conveniently done; possibility.
Example
The company conducted a feasibility study before launching the project.
L'entreprise a mené une étude de faisabilité avant de lancer le projet.
C1 adjective /ˈflæʃi/

flashy

voyant, ostentatoire
Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
Il a conduit une voiture de sport voyante dans les rues de la ville.
C1 verb /flɑp/

flop

échec
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
Le nouveau film a échoué au box-office.
C1 noun /ˈfæm.ɪn/

Famine

famine
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
La grave sécheresse a provoqué une famine généralisée dans la région.
C1 noun, verb /ˈfɛrɪt/

ferret

furet, chercher ou découvrir quelque chose de manière persistante
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
Il a découvert les documents cachés.
C1 noun /ˈfɔːrwɜːrd/

foreword

préface
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
La préface du livre a été écrite par un historien célèbre.
C1 adjective /frəˈtɜːrnəl/

fraternal

fraternel
Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
Les deux nations maintiennent une relation fraternelle.
C1 adjective /ˈflaʊəri/

flowery

fleuri / orné
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
Elle a écrit une lettre fleurie remplie de phrases poétiques.
C1 noun /faɪˈnælɪti/

finality

finalité
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
La décision du juge a donné au cas un sentiment de finalité.
C1 noun /fiːt/

feat

exploit
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
Gravir le mont Everest fut un exploit remarquable.
C1 noun/adjective ˈflɛdʒ.lɪŋ

fledgling

novice, inexpérimenté, nouvellement établi
Meaning
New, inexperienced, newly established.
Example
The fledgling startup needs investment.
La startup novice a besoin d'investissement.
C1 noun /fəˈtæləti/

fatality

fatalité
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
L'accident a entraîné une fatalité.
C1 adjective ˈflʌd proʊn

flood-prone

sujette aux inondations
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
Le Bangladesh est une nation deltaïque sujette aux inondations.
C1 adjective /ˈfiːbl/

feeble

faible, fragile
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
Après la maladie, elle se sentait trop faible pour se lever.
C1 noun/verb /freɪ/

fray

dispute, s'effilocher
Meaning
As a noun, a fight or heated dispute; as a verb, to unravel or wear out through friction.
Example
He tried to stay calm, but his nerves began to fray during the argument.
Il a essayé de rester calme, mais ses nerfs ont commencé à s'effilocher pendant la dispute.
C1 adjective /ˈfrɔːdjʊlənt/

fraudulent

frauduleux
Meaning
Involving or using deceit, especially criminal deception.
Example
He was arrested for making fraudulent insurance claims.
Il a été arrêté pour avoir fait des demandes frauduleuses d'assurance.
C1 verb /ˈflɪk.ər/

flicker

clignoter
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
La bougie clignotait dans le vent.
C1 adjective /ˈfeɪt.fəl/

fateful

décisif ou fatal
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
Leur décision décisive a changé le cours de l'histoire.
C1 noun /ˈfoʊliɪdʒ/

foliage

feuillage
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
Le feuillage d'automne était impressionnant dans le parc.
C1 noun /ˈfɔːrsəm/

foursome

quatuor
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
Le quatuor a apprécié une partie de golf ensemble.
C1 noun /ˈfaɪər.wɔːl/

firewall

pare-feu
Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
Un pare-feu protège les réseaux des cyberattaques.
C1 verb /fɔːrˈseɪk/

forsake

abandonner
Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
Il a décidé de ne pas abandonner ses vieux amis malgré son succès.
C1 noun /flæt fɪʃ/

Flat fish

poisson plat
Meaning
a type of fish with a flattened body that lives on the sea floor
Example
Flat fish like sole and flounder are excellent for grilling.
Les poissons plats comme la sole et la limande sont excellents pour le grill.
C1 verb /fɔːˈbɛər/

forbear

s'abstenir
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
Elle s'est abstenue de commenter son erreur.
C1 adjective /ˈfleɪɡrənt/

flagrant

flagrant et clairement erroné
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
C'était une violation évidente des règles.
C1 noun /ˈfɛlən/

felon

criminel
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
Le criminel a été condamné à dix ans de prison.
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

putain (mot vulgaire pour l'emphase)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
C'était un putain de désastre!
C1 adjective /ˈfræɡməntɪd/

fragmented

fragmenté, divisé, incomplet
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
L'information était fragmentée et difficile à comprendre.
C1 adjective /ˈfɪɡərətɪv/

figurative

figuré
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
Elle a utilisé un langage figuré pour décrire ses sentiments.
C1 verb /ˈflʌtər/

flutter

battre des ailes / trembler
Meaning
to move or flap quickly and lightly; to beat or wave with small rapid motions
Example
The butterfly began to flutter its wings in the sunlight.
Le papillon a commencé à battre des ailes sous le soleil.
C1 noun/verb /ˈfʌrəʊ/

furrow

sillon
Meaning
A long narrow trench made in the ground by a plow; to make wrinkles or grooves.
Example
The farmer plowed furrows in the field.
L'agriculteur a tracé des sillons dans le champ.
C1 noun /fɪkˈseɪ.ʃən/

fixation

fixation ou intérêt obsessionnel pour quelque chose ou quelqu'un
Meaning
An obsessive interest in or feeling about someone or something.
Example
His fixation on perfectionism delayed project completion.
Sa fixation sur le perfectionnisme a retardé l'achèvement du projet.
C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

fortification
Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
Les fortifications ont protégé la ville.